Swallow - Post-trained Japanese - M-IFEval-Ja: leaderboard

From the Swallow LLM Leaderboard (Institute of Science Tokyo) post-trained Japanese board, which evaluates instruction-tuned and reasoning models with the Swallow evaluation harness. Japanese portion of M-IFEval (Dussolle et al., 2025): verifiable formatting and content instructions, zero-shot, instruction-level strict accuracy. Upstream publishes 0-1 scores; shown as 0-100, higher is better.

Metric: Instruction-Level Strict Accuracy (%). Source: swallow-llm.github.io. Saturation forecast: Estimated already saturated. 68 models tracked.

Top models

#ModelScoreOverall rank
1GPT-5 (Medium)90.7#105 (GPT-5)
2Gemma 4 31B (IT) (Thinking)89.8#178 (Gemma 4 31B (IT))
3GPT-5.4 (2026-03-05) (Medium)88.1#63 (GPT-5.4 (2026-03-05))
4gemma-4-26B-A4B-it (Thinking)86.7
5O3 (2025-04-16) (Medium)85#125 (O3 (2025-04-16))
6O3 Mini (Medium)84.1#282 (O3 Mini)
7GPT-5 Mini (2025-08-07) (Medium)82.7#175 (GPT-5 Mini (2025-08-07))
8NVIDIA-Nemotron-3-Super-120B-A12B-BF16 (Thinking)82.3#394 (NVIDIA-Nemotron-3-Super-120B-A12B-BF16)
9Qwen 3 Next 80B A3B (Thinking)81.9#312
10GPT-4.181#258
11Qwen 3 235B A22B 2507 (Thinking)81#263
12Qwen 3.5 122B A10B (Thinking)77.4#184 (Qwen 3.5 122B A10B)
13Qwen 3.5 27B (Thinking)73.5#192 (Qwen 3.5 27B)
14GPT-OSS-120B (Medium)73.5#346 (GPT-OSS-120B)
15Qwen 3 235B A22B 2507 Instruct73#315

No result here: #3 Claude Opus 5.5, #6 GPT-6 Astra, #7 GPT-6.1 Sol.

Interactive version: theaggregate.ai/benchmark?slug=swallow-post-trained-japanese-m-ifeval-ja · How It Works · Data refreshed daily, snapshot 2026-11-05.